| Fastest Heat - 8 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 70 | Lauren Wetherell | 16 | Co Glasgow | : . |
| 1 | 72 | Nicole Ryan | 20 | Co Oxford | : . |
| 2 | 74 | Iona Macleod | 15 | Dun City Aqu | : . |
| 3 | 76 | Leah Crisp | 17 | Co Leeds | : . |
| 4 | 78 | Emily Clarke | 21 | Loughboro Un | : . |
| 5 | 77 | Polly Holden | 19 | Nova Cent'n | : . |
| 6 | 75 | Fleur Lewis | 15 | Barnet Copt | : . |
| 7 | 73 | Alisha Hawkins | 17 | Stockport Mo | : . |
| 8 | 71 | Michaella Glenister | 16 | Leic Sharks | : . |
| 9 | 69 | Maisie Macartney | 17 | Thanet Swim | : . |